fixed style error

Author: flyxiv

examples/dreambooth/train_dreambooth_lora.py

@@ -1122,7 +1122,7 @@ def compute_text_embeddings(prompt):
     # Check the PR https://github.com/huggingface/diffusers/pull/8312 for detailed explanation.
     num_warmup_steps_for_scheduler = args.lr_warmup_steps * accelerator.num_processes
     if args.max_train_steps is None:
-        len_train_dataloader_after_sharding = ceil(len(train_dataloader) / accelerator.num_processes)
+        len_train_dataloader_after_sharding = math.ceil(len(train_dataloader) / accelerator.num_processes)
         num_update_steps_per_epoch = math.ceil(len_train_dataloader_after_sharding / args.gradient_accumulation_steps)
         num_training_steps_for_scheduler = (
             args.num_train_epochs * accelerator.num_processes * num_update_steps_per_epoch